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hen the value of Σα2β is equal to : If α...

hen the value of Σα2β is equal to : If α, β, γ are the roots of the quadratic equation x3-pr2 + q-r-0 , t (A) p+3r If α, β, γ are the roots of equation xs_ px2 + gx-r = 0 , then the value of 29. (B) ptr (C) pq-3r 30. |--+--+--| is :

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